<template>
  <el-row>
    <el-col :span="8" style="padding-right: 10px">
      <div class="grid-content bg-purple">
        <el-card class="box-card">
          <div class="user">
            <img src="../assets/images/user.png" />
            <div class="userInfo">
              <p class="name">Admin</p>
              <p class="access">超级管理员</p>
            </div>
          </div>

          <div class="loginInfo">
            <p>上次登录时间：<span>2023-6-16</span></p>
            <p>上次登录地点：<span>武汉</span></p>
          </div>
        </el-card>

        <el-card style="margin-top: 20px; height: 460px">
          <el-table :data="tableData" style="width: 100%">
            <!-- <el-table-column prop="name" label="课程"> </el-table-column>
            <el-table-column prop="todayBuy" label="今日购买">
            </el-table-column>
            <el-table-column prop="monthBuy" label="本月购买">
            </el-table-column>
            <el-table-column prop="totalBuy" label="总购买"> </el-table-column> -->

            <el-table-column
              v-for="(val, key) in tableLable"
              :prop="key"
              :label="val"
            />
          </el-table>
        </el-card>
      </div>
    </el-col>

    <el-col :span="16" style="padding-left: 10px">
      <div class="grid-content bg-purple-light">
        <div class="num">
          <el-card
            v-for="item in countData"
            :key="item.name"
            :body-style="{ display: 'flex', padding: 0}"
          >
            <i class="icon" :class="`el-icon-${item.icon}`" :style="{background: item.color}"></i>
            <div class="detail">
              <p class="price">￥{{ item.value }}</p>
              <p class="desc">{{ item.name }}</p>
            </div>
          </el-card>
        </div>
      </div>
      <!-- 折线图 -->
      <el-card style="height: 280px">
        <div ref="echarts1" style="height: 280px"></div>
      </el-card>
      
      <div class="graph">
        <!-- 柱状图 -->
        <el-card style="height: 260px">
          <div ref="echarts2" style="height: 260px"></div>
        </el-card>

        <!-- 饼状图 -->
        <el-card style="height: 260px">
          <div ref="echarts3" style="height: 260px"></div>
        </el-card>
      </div>

    </el-col>
  </el-row>
</template>

<script>
import { getData } from '../api'
import * as echarts from 'echarts'

export default {
  data() {
    return {
      tableData: [],
      tableLable: {
        name: "课程",
        todayBuy: "今日购买",
        monthBuy: "本月购买",
        totalBuy: "总购买",
      },
      countData: [
        {
          name: "今日支付订单",
          value: 1234,
          icon: "success",
          color: "#2ec7c9",
        },
        {
          name: "今日收藏订单",
          value: 210,
          icon: "star-on",
          color: "#ffb980",
        },
        {
          name: "今日未支付订单",
          value: 1234,
          icon: "s-goods",
          color: "#5ab1ef",
        },
        {
          name: "本月支付订单",
          value: 1234,
          icon: "success",
          color: "#2ec7c9",
        },
        {
          name: "本月收藏订单",
          value: 210,
          icon: "star-on",
          color: "#ffb980",
        },
        {
          name: "本月未支付订单",
          value: 1234,
          icon: "s-goods",
          color: "#5ab1ef",
        },
      ],
    };
  },
  mounted() {
    getData().then( ({ data }) => {
      const { tableData } = data.data
      this.tableData = tableData

      // 基于准备好的dom，初始化echarts实例
      const echarts1 = echarts.init(this.$refs.echarts1)
      // 指定图表的配置项和数据
      var echarts1Option = {}
      // 处理数据xAxis
      const { orderData, userData, videoData } = data.data
      const xAxis = Object.keys(orderData.data[0])
      //console.log(xAxis)
      const xAxisData = {
        data: xAxis
      }
      echarts1Option.xAxis = xAxisData
      echarts1Option.yAxis = {}
      echarts1Option.legend = xAxisData
      echarts1Option.series = []
      xAxis.forEach(key => {
          echarts1Option.series.push({
              name: key,
              data: orderData.data.map(item => item[key]),
              type: 'line'
          })
      })
      console.log(echarts1Option)
      // 使用刚指定的配置项和数据显示图表。
      echarts1.setOption(echarts1Option)

      // 柱状图
      const echarts2 = echarts.init(this.$refs.echarts2)
      const eachrts2Option = {
          legend: {
              // 图例文字颜色
              textStyle: {
              color: "#333",
              },
          },
          grid: {
              left: "20%",
          },
          // 提示框
          tooltip: {
              trigger: "axis",
          },
          xAxis: {
              type: "category", // 类目轴
              data: userData.map(item => item.date),
              axisLine: {
              lineStyle: {
                  color: "#17b3a3",
              },
              },
              axisLabel: {
              interval: 0,
              color: "#333",
              },
          },
          yAxis: [
              {
              type: "value",
              axisLine: {
                  lineStyle: {
                  color: "#17b3a3",
                  },
              },
              },
          ],
          color: ["#2ec7c9", "#b6a2de"],
          series: [
              {
                  name: '新增用户',
                  data: userData.map(item => item.new),
                  type: 'bar'
              },
              {
                  name: '活跃用户',
                  data: userData.map(item => item.active),
                  type: 'bar'
              }
          ],
      }
      echarts2.setOption(eachrts2Option)

      // 饼状图
      const echarts3 = echarts.init(this.$refs.echarts3)
      const eachrts3Option = {
          tooltip: {
              trigger: "item",
          },
          color: [
              "#0f78f4",
              "#dd536b",
              "#9462e5",
              "#a6a6a6",
              "#e1bb22",
              "#39c362",
              "#3ed1cf",
          ],
          series: [
              {
                  data: videoData,
                  type: 'pie'
              }
          ],
      }
      echarts3.setOption(eachrts3Option)
    })
  }
};
</script>

<style lang="less" scoped>
.user {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #ccc;
  display: flex;
  align-items: center;
  img {
    margin-right: 40px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
  }
  .userInfo {
    .name {
      font-size: 32px;
      margin-bottom: 10px;
    }
    .access {
      color: #999999;
    }
  }
}

.loginInfo {
  p {
    line-height: 28px;
    font-size: 14px;
    color: #999999;
    span {
      color: #666666;
      margin-left: 60px;
    }
  }
}

.num {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  .icon {
    width: 80px;
    height: 80px;
    font-size: 30px;
    text-align: center;
    line-height: 80px;
    color: #fff;
  }
  .detail {
    margin-left: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    .price {
      font-size: 30px;
      margin-bottom: 10px;
      line-height: 30px;
      height: 30px;
    }
    .desc {
      font-size: 14px;
      color: #999;
      text-align: center;
    }
  }
  .el-card {
    width: 32%;
    margin-bottom: 20px;
  }
}

.graph {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  .el-card {
    width: 48%;
  }

}
</style>